Re: DNS lookup bypassing the system settings

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On Wed, 30 Sep 2020 05:25:13 +0800
Ed Greshko <ed.greshko@xxxxxxxxxxx> wrote:

> On 2020-09-29 23:29, stan via users wrote:
> > For me, the implication of that is that I am no longer in control of
> > DNS, etc.  If some program has hard coded DNS servers, they bypass
> > everything and just ignore system settings.  Am I understanding
> > correctly?  
> 
> You're not understanding it correctly.
> 
> There are FallbackDNS servers defined.  But, these are only used in
> the event that a user fails to configure DNS servers or a broken DHCP
> server fails to supply DNS servers to the system.
> 
> >
> > If I'm not, great, I'm happy.  If I am, though, how do I take back
> > control?  
> 
> FWIW, systemd-resolved.service is enabled by default starting in F33.
>  I believe an upgrade to F33 will also enable this.
> 
> However, you can always easily restore the previous behavior with
> Network Manager: 
> sudo rm -f /etc/resolv.conf
> sudo ln -sf /run/NetworkManager/resolv.conf /etc/resolv.conf
> sudo systemctl disable --now systemd-resolved.service
> sudo systemctl mask systemd-resolved.service
> sudo systemctl reboot

Thanks, I can rest easy.
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